Pools and hot tubs are widely used for recreational purposes. Upkeep involves combating the universal problem of water purification and many chemical products on the market strive to ensure water remains clear, sanitary, and odorless. The purification process often involves substantial amounts of dissolved chlorine and over time, high concentrations of the chemical can cause irritation to mucus membranes and eyes.

Of all water treatment products on the market, zeolite is of particular interest to scientists. Unique absorption and adsorption properties allow it to adsorb ammonia, nitrates, and phosphates, preventing the growth of algae and micro-organisms. Currently, adsorption is considered the best water treatment option because of convenience, low cost, ease of operation, and simplicity of design (Bhatnagar & Sillanpaa, 2010). Also, because zeolite is a natural, non-toxic mineral, it can be applied to pools and hot tubs without causing irritation to eyes, skin, or mucus membranes.

Lab data indicates that zeolite outperforms conventional filtration media in its adsorption and filtration capabilities. This is attributed to zeolite’s surface area, which is seven or eight times larger than many other granular materials. For instance, an ounce of pool sand has a surface area of 1,000 feet per cubic foot, whereas the same amount of zeolite has a surface area of 9,700,000 feet per cubic foot.